IBM IntelliStation Z Pro 6223 Hardware Maintenance Manual And Troubleshooting Manual page 107

Note: See Chapter 7, "Parts listing Types 6223 and 6227," on page 115 to determine which components are
replaceable by the customer (CRU), and which components must be replaced by a field service technician (FRU).
Symptom
System stops responding during
hard disk drive diagnostic test.
Note: See Chapter 7, "Parts listing Types 6223 and 6227," on page 115 to determine which components are
replaceable by the customer (CRU), and which components must be replaced by a field service technician (FRU).
Symptom
A problem occurs only
occasionally and is difficult to
detect.
Note: See Chapter 7, "Parts listing Types 6223 and 6227," on page 115 to determine which components are
replaceable by the customer (CRU), and which components must be replaced by a field service technician (FRU).
Symptom
All or some keys on the
keyboard do not work.
The mouse or pointing device
does not work.
Hard disk drive
FRU/action
1. Remove the hard disk drive being tested when the computer stopped
responding and try the diagnostic test again.
2. If the hard disk drive diagnostic test runs successfully, replace the drive you
removed with a new one.
Intermittent
FRU/action
1. Verify that:
v All cables and cords are connected securely to the rear of the computer and
attached options.
v When the computer is turned on, air is flowing from the rear of the computer
at the fan grill. If there is no airflow, the fan is not working. This causes the
computer to overheat and shut down.
v Ensure that the SCSI bus and devices are configured correctly and that the
last external device in each SCSI chain is terminated correctly.
2. Check the system error log.
Keyboard, mouse, or pointing-device
FRU/action
1. Verify that:
v The keyboard cable is securely connected to the system, and the keyboard
and mouse cables are not reversed.
v The computer and the monitor are turned on.
2. Keyboard.
3. System board.
1. Verify that:
v The mouse or pointing-device cable is securely connected, and that the
keyboard and mouse cables are not reversed.
v The mouse device drivers are installed correctly.
2. Mouse or pointing device.
3. System board.
Chapter 6. Symptom-to-FRU index
97